Eyeglass frame



FIG. 1 is a top plan view illustrating my design for an eyeglass frame;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a rear view thereof.

The broken lines depict elements that form no part of the claimed design. 

The ornamental design for an eyeglass frame, as shown and described. 